Polymers containing pendant acid functionalities and labile backbone bonds
First Claim
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1. A polymer with at least one labile backbone bond per repeat unit and at least one pendant acid functionality per thousand repeat units.
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Abstract
The instant invention is directed to a polymer with at least one labile backbone bond per repeat unit and at least one pendant acid functionality per thousand repeat units.
The instant invention is also directed to a controlled release device which comprises:
(A) a polymer with at least one labile backbone bond per repeat unit and at least one pendant acid functionality per thousand repeat units; and
(B) a beneficial substance incorporated within or surrounded by the matrix of said polymer.
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Citations
4 Claims
- 1. A polymer with at least one labile backbone bond per repeat unit and at least one pendant acid functionality per thousand repeat units.
Specification